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Gossan and Skarn Definition


Skarn and Gossan Definition


Definition

Definition
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.   
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin   

History
  
  

Origin
Indonesia   
USA, Australia   

Discoverer
Cornish Gossen   
Tornebohm   

Etymology
From Cornish gossen from gos, blood from Old Cornish guit   
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.   

Class
Metamorphic Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
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Definition of Gossan and Skarn

The general Gossan and Skarn definition can be stated as: Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. On the other hand, Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. Along with definition of Gossan and Skarn, get to know about Properties of Gossan and Skarn. Get to know more information about Gossan and Skarn origin and discoverer, etymology and class.

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History of Gossan and Skarn

The history of Gossan and Skarn gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Gossan and Skarn Origin and Discoverer

Gossan and Skarn definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gossan and Skarn. In this section, you will know about Gossan and Skarn Origin and Discoverer. Origin of Gossan is Indonesia whereas Origin of Skarn is USA, Australia. It is interesting to know the name of Gossan and Skarn discoverer. The Discoverer of Gossan is Cornish Gossen and the discoverer of Skarn is Tornebohm.

Etymology of Gossan and Skarn

Along with Gossan and Skarn definition, know more about the etymology of Gossan and Skarn. Etymology of Gossan and Skarn gives information about origin and formation of a particular rock. Know more about Formation of Gossan and Formation of Skarn. The etymology of Gossan is From Cornish gossen from gos, blood from Old Cornish guit while that of Skarn is From Cornish gossen from gos, blood from Old Cornish guit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gossan and Skarn belong to Metamorphic Rocks. The sub-class, group and other categories of Gossan and Skarn are listed below.

For Gossan,

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